Style de citation APA

Spencer, E. W. (1962). Basic concepts of historical geology. Oxford & IBH.

Style de citation Chicago

Spencer, Edgar Winston. Basic Concepts of Historical Geology. New Delhi: Oxford & IBH, 1962.

Style de citation MLA

Spencer, Edgar Winston. Basic Concepts of Historical Geology. Oxford & IBH, 1962.

Attention : ces citations peuvent ne pas être correctes à 100%.